词汇	Medullary index
释义	Medullary index 髓质指数
随便看	slow-burner slowburning slow burning slow-burning slow-burning composition slowburning construction slow burning construction slow-burning construction Slow Burning Explosive slow burning fabric slow-burning fabric slow burning film slow-burning film slow burning fuse slow-burning fuse slow burning heavy timber construction slow-burning heavy timber construction slow-burning insulation slow burning material slow-burning mill construction slow-burning powder slow burning propellant slowburning smokeless powder slow burning smokeless powder slow-burning smokeless powder